Thursday, November 27, 2014

Problem: After deploying Tableau dashboards, you are not able to display the dashboard using trusted ticket method. Error returned: "Could not locate unexpired trusted ticket <ticket_number>".

Solution: Although there could be various reason for this error, you might want to check if the IP address in which the Tableau dashboard is going to be displayed, is already added to the trusted hosts in the Tableau server. If it is not yet added, add it to the trusted hosts.
Note: Make sure not to overwrite the existing trusted hosts already added previously.

Assume the host (where the Tableau dashboard is going to be displayed) is: 10.0.0.99
1. Go to the Tableau server, and look for dataserver.properties, located in C:\ProgramData\Tableau\Tableau Server\data\tabsvc\config\ (location might vary).
Search for trusted_hosts, and take note of the existing trusted hosts already added previously.
e.g. trusted_hosts=10.0.0.91, 10.0.100.92. We will include these IPs again later.

2. Add the IP address(es) where Tableau dashboard is going to be displayed. Open Command Prompt, then go to C:\Program Files (x86)\Tableau\Tableau Server\7.0\bin\ (location might vary), and use the command

tabadmin set wgserver.trusted_hosts "<Trusted IP Addresses>"

to add the trusted hosts. Don't forget to also include the existing trusted IP addresses previously added, separated by comma if there is more than 1 IP address.

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Is an ordinary unNoticed man, with a little knowledge to share and high dreams to achieve. I'd be glad if I can help others, 'coz the only thing for the triumph of evil is for a good man to do nothing. I like English and Chinese language, and know a little about them. Hence, for me, most things can best be expressed in Chinese, some in English, and the rest in others ^^

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You can find a lot of debugging and deploying problems while developing applications in .NET and Visual Basic here. There are also some querying tips in SQL and typical source codes which might be useful shared here.